短语词组短语coke -oven coal tar 焦炉煤焦油;焦炉煤焦油英语coke oven tar pitch 焦炉沥青coke oven coal tar 焦炉煤焦油coke oven coal tar pitch 焦炉煤沥青high temperature coke -oven coal tar 高温煤焦油 返回 coke oven tar